/Engine/Source/Runtime/Interchange/Engine/Public/InterchangeFilePickerBase.h
The default implementation (call if the blueprint do not have any implementation) will call the virtual FilePickerForTranslatorAssetType
bool ScriptedFilePickerForTranslatorAssetType_Implementation ( const EInterchangeTranslatorAssetType TranslatorAssetType, [FInterchangeFilePickerParameters](API\Runtime\InterchangeEngine\FInterchangeFilePickerParameters) & Parameters, [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > & OutFilenames )